Home / 845,065.76-1,267,758.48-339,666.08

Finding the Fourth Proportional to 845,065.76, 1,267,758.48 and 339,666.08

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Solution

The fourth proportional to 845,065.76, 1,267,758.48 and 339,666.08 is: 509,563.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,065.76 : 1,267,758.48 = 339,666.08 : x
  2. Step 2: Convert to fraction form
    845,065.76/1,267,758.48 = 339,666.08/x
  3. Step 3: Cross multiply
    845,065.76x = 1,267,758.48 × 339,666.08
  4. Step 4: Simplify right side
    845,065.76x = 430,614,553,288.36
  5. Step 5: Solve for x
    x = 430,614,553,288.36/845,065.76
  6. Step 6: Final answer
    x = 509,563.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.